You lose control and cum in her

"FUCK...YES...OHGOD..." Sam shouts as she arches her back and throws her head back, her eyes rolling back into her head as she cums all over your dick.

"YEAH...cum for me Sam..." you whisper to her as she shoots her juices out all over your dick as you continue to thrust in and out of her, her body going limp as you speed up your movements into her.

"SHIT...OHGOD...pull out..." she moans, not really having much conviction behind it as you lurch your hips into hers one last time and cum deep in her fertile pussy.

"God it feels good cumming in you," you tell her as you shoot your load into her, basting her cunt walls with it as she thrusts her hips back into yours and locking her legs around you as you finish giving her your load and pull out of her.

"OHGOD...what have we done John?" Sam cries out as you pull out of her, her panicked cries of guilt being drowned out by you kissing her.

"Sam...SHHHH...I'll take care of it," you tell her, praying to God she won't wind up pregnant so there's nothing for you to take care of, as she holds you in her arms and falls asleep with you.